GRADIENT VACUUM FOR HIGH-FLUX X-RAY SOURCE
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jun 26, 2013
filing date -
Jul 26, 2012
priority date (Note) -
Abandoned
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Abstract
An X-ray tube for generating an X-ray beam, the X-ray tube comprising a rotatably mounted anode arranged and configured to generate X-rays upon exposure to an electron beam, a hollow space within the anode, a cooling unit configured for cooling the anode by fluid circulation within the hollow space, and a vacuum pump arrangement configured for generating a first vacuum within the hollow space and a second vacuum in a space surrounding the anode, wherein the second vacuum relates to a pressure value being lower than a pressure value relating to the first vacuum, wherein the vacuum pump arrangement comprises a pump arranged for forming a continuous pressure gradient between the first vacuum and the second vacuum.
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